<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page,index) of pages" :key="index">
        <div class="icon" v-for="item of page " :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl" alt="">
          </div>
          <p class="desc">热门景点</p>
        </div>
      </swiper-slide>


    </swiper>


  </div>
</template>

<script>
    export default {
        name: "home-icons",
      data () {
          return {
            swiperOption:{
              autoPlay: false
            }
          }
      },
      props:{
          iconList:{
            type:Array
          }
      },
      computed: {
          pages(){
            const pages = []
            this.iconList.forEach((item,index) => {
              const page = Math.floor(index/8)   //判断一张图的图标是否超过8个,超过了显示在第二张上
              if (!pages[page]) {
                pages[page] = []
              }
              pages[page].push(item)
            })
            return pages
          }

      }
    }
</script>

<style lang="stylus" scoped>
  @import '~css/common.styl'


  .icons >>> .swiper-slide
    width: 100%
    overflow:hidden
    height:0
    padding-bottom:50%
    margin-top:.2rem

  .icon
    position:relative
    float:left
    width: 25%
    overflow:hidden
    height:0
    padding-bottom:25%

    .icon-img
      position:absolute
      top:0
      left:0
      right:0
      bottom:.44rem
      text-align:center
      .icon-img-content
        display:inline-block
        height:100%
    .desc
      position:absolute
      right: 0
      left:0
      bottom:0
      height:.44rem
      line-height:.44rem
      text-align:center
      color: $textColor
      ellipsis()


</style>
